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Business Divestiture (Details) - Wireless LAN (WLAN) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - USD ($)
3 Months Ended 12 Months Ended
Apr. 02, 2016
Dec. 31, 2016
Apr. 01, 2017
Sep. 13, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Divesture of business gross purchase price       $ 55,000,000
Proceeds from divestiture of businesses   $ 39,000,000    
Revenue from sale of assets $ 33,000,000      
Gross profit from sale of assets $ 14,000,000      
Disposal group, including discontinued operation, assets     $ 0  
Disposal group, including discontinued operation, liabilities     $ 0